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Finding the Fourth Proportional to 488,505.60, 732,734.10 and 251,872.20

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Solution

The fourth proportional to 488,505.60, 732,734.10 and 251,872.20 is: 377,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,505.60 : 732,734.10 = 251,872.20 : x
  2. Step 2: Convert to fraction form
    488,505.60/732,734.10 = 251,872.20/x
  3. Step 3: Cross multiply
    488,505.60x = 732,734.10 × 251,872.20
  4. Step 4: Simplify right side
    488,505.60x = 184,555,349,782.02
  5. Step 5: Solve for x
    x = 184,555,349,782.02/488,505.60
  6. Step 6: Final answer
    x = 377,795.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.